CVE-2026-65915
NLTK versions before 3.10.0 contain a logic bug in FileSystemPathPointer.open() where the sandbox validation check compares a normalized path against itself, making the security check permanently inert. Attackers can pass file:// URLs to nltk.data.load() to read arbitrary files accessible to the process user, including credentials and configuration files.
- Affected products
- Nltk
- CVSS 4.0
- 7.1 HIGH
- CVSS 3.1
- 6.5 MEDIUM
- EPSS
- 0.3% (21th percentile)
- Weakness
- CWE-284
- NVD status
- Received
- Published
- 2026-08-22
CVE-2026-65915 at NVD
No indexed exploits for CVE-2026-65915 yet
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No exploit for CVE-2026-65915 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.